20694798

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2441}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 46300320

約数和(自身を除く): 25605522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2441, 2826, 4239, 4882, 7323, 8478, 14646, 21969, 43938, 65907, 131814, 383237, 766474, 1149711, 2299422, 3449133, 6898266, 10347399, 20694798]

約数ペア:

[(1, 20694798), (2, 10347399), (3, 6898266), (6, 3449133), (9, 2299422), (18, 1149711), (27, 766474), (54, 383237), (157, 131814), (314, 65907), (471, 43938), (942, 21969), (1413, 14646), (2441, 8478), (2826, 7323), (4239, 4882)]